. >> additional corporate funding is provided by -- prudential financial. additional funding is provided by the annenburg foundation, the corporation for public broadcasting and by contributions to your pbs station from viewers like you. thank you. once again live from washington, moderator gwen ifill. gwen: good evening. 2012 was a remarkable year one that was shaped by other exploration of america's essential divide, red vs. blue, yes. but also red vs. red. congress vs. the white house and when it came to foreign policy, whether and how to intervene. we begin, of course, with election 2012. >> thank you, new hampshire. tonight we made history. he is the worst republican in the country to put up against barack obama. >> if you've got a business, you didn't build that. >> president obama promised to begin to slow the rise of the oceans and to heal the planets. my promise is to help you and your family. >> when you pick up that ballot to vote, you will face the clearest choice of any time in a generation. >> there are 47% of the people who will vote for the